Which of the following data integrity constraints would ensure Pitt Fitness has a consistent method to record

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Which of the following data integrity constraints would ensure Pitt Fitness has a consistent method to record customer phone numbers?

a. Format (Input Mask)

b. Legal values

c. Data type

d. Validation Rule

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Concepts Of Database Management

ISBN: 9780357422083

10th Edition

Authors: Lisa Friedrichsen, Lisa Ruffolo, Ellen Monk, Joy L. Starks, Philip J. Pratt

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